private bool EqualsMember(MemberExpression x, MemberExpression y)
{
// If any of the two nodes represents an access to a captured variable,
// we want to compare its value, not its identity. (`EvaluateCaptures` is
// a no-op in all other cases, so it is safe to apply "just in case".)
var rx = x.Apply(EvaluateCaptures.Rewriter);
var ry = y.Apply(EvaluateCaptures.Rewriter);
if (rx == x && ry == y)
{
return(x.Member == y.Member && this.Equals(x.Expression, y.Expression));
}
else
{
// Rewriting occurred, we might no longer have two `MemberExpression`s:
return(this.Equals(rx, ry));
}
}
